86409829 has 16 divisors (see below), whose sum is σ = 96742656. Its totient is φ = 76507200.

The previous prime is 86409823. The next prime is 86409847. The reversal of 86409829 is 92890468.

It is not a de Polignac number, because 86409829 - 2⁵ = 86409797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86409823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205039 + ... + 205459.

It is an arithmetic number, because the mean of its divisors is an integer number (6046416).

Almost surely, 2^86409829 is an apocalyptic number.

It is an amenable number.

86409829 is a deficient number, since it is larger than the sum of its proper divisors (10332827).

86409829 is a wasteful number, since it uses less digits than its factorization.

86409829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 86409829 is about 9295.6887318800. The cubic root of 86409829 is about 442.1005432501.

The spelling of 86409829 in words is "eighty-six million, four hundred nine thousand, eight hundred twenty-nine".